69990813

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 111384000

約数和(自身を除く): 41393187

約数列:

[1, 3, 9, 19, 41, 57, 67, 123, 149, 171, 201, 369, 447, 603, 779, 1273, 1341, 2337, 2747, 2831, 3819, 6109, 7011, 8241, 8493, 9983, 11457, 18327, 24723, 25479, 29949, 52193, 54981, 89847, 116071, 156579, 189677, 348213, 409303, 469737, 569031, 1044639, 1227909, 1707093, 3683727, 7776757, 23330271, 69990813]

約数ペア:

[(1, 69990813), (3, 23330271), (9, 7776757), (19, 3683727), (41, 1707093), (57, 1227909), (67, 1044639), (123, 569031), (149, 469737), (171, 409303), (201, 348213), (369, 189677), (447, 156579), (603, 116071), (779, 89847), (1273, 54981), (1341, 52193), (2337, 29949), (2747, 25479), (2831, 24723), (3819, 18327), (6109, 11457), (7011, 9983), (8241, 8493)]